well i have tried to search on nasioc but to no avail. what do the stages mean? are they talking about engine management, or tuning? or the size of the turbo?

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i have no clue what youre talking about. but im kinda intrested.

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yea, im the nervous twitchy one

stages are different setups that are packaged by companys for the wrx's and sti's. Its like the turbo xs utec stage 4 that I have on my wrx. the turbo xs stage kits start from stage 1 to stage 4. There are also the cobb stage kits.
the kits come with different parts depending on the stage of the kit. Like my stage 4...it comes wit:
utec wit stage 4 map boost
turbo xs turbo back exhuast
vf30 turbo
sti pinks (injectors) 550cc
turbo xs up-pipe
turbo xs intercooler - dont remeber but I think this is optional.
warlbro fuel pump.
turbo xs claims the stage4 kit produces 365 crank hp. and about 260whp.
If you want to go with the utec u can buy eveything seperate it will be alot cheaper..which is what I did.

http://www.boxer4racing.com/package.htm look at this site to see the turbo xs stage kits and the vishnu kits.

http://cobbtuning.com/wrx/ go here to see the cobb power packages.. they only go up to stage 2 which is the same as the turbo xs stage 3. these stage kits makes it easy for you to upgrade your wrx's power. and the cobb accessport plugs right into the diagonsist port on your car..It is alot easir to use then the utec.
I hope I didnt confuse anyone. If you want to chat get me on AIM: turbochargedtnt

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02 psm wrx.(blown motor) built motor in the process
89 crx HF..SOLD!!!
05 toyota tundra sr5 4DR 4.7L v8

vishnu also has staged upgrades. i think they start at stage 0

i have cobb.

stage 1 is just a reflash of the ecu
stage 2 is the flash, and exhaust, either downpipe or full exhaust.

after that, theres the cobb street tuner software.

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yea..they do have staged upgrades..the cobb is real easy to use..the street tuner is good..but the protuner is better.

this goes to everyone who is going to buy a wrx or a sti..the first mod you should do is to buy engine mangment for your car..the best and safest thing you can do for this cars.

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02 psm wrx.(blown motor) built motor in the process
89 crx HF..SOLD!!!
05 toyota tundra sr5 4DR 4.7L v8

yah, im in the market for an 06 wrx so i wanted to learn about this before i take the plunge and get one. so if you get engine management, and tbe that is considered stage 2? or it is only considered that if you get it through one of the companies that offers it as stage 2?

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The cobb access port and either a full exhaust or an upipe and down pipe would be stage 2 and it doesnt have to be purchased from cobb. If your lookin to make the turbo spool faster on a stock aplication the best and first mods i would make is a good upipe and a cool air kit like i have, ive got a perrin upipe and a k&n typhoon short ram. It makes it pull realy hard i also have a 2.5" cat back and a manual boost controller the boost controller is not advised without the engine management system though.

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the different "staged" upgrades differ from company to company. there really is no standard.

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365hp to the crank sounds weak for a stage 4.

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it may sound weak but from the stock 02 wrx hp of 227hp..365hp is a big difference.

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02 psm wrx.(blown motor) built motor in the process
89 crx HF..SOLD!!!
05 toyota tundra sr5 4DR 4.7L v8

does an up pipe make that much of a difference in spool up with a typhoon? i have to look into that. maybe my next mod wont be the ap, but an up pipe since thats so much cheaper.

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`·.¸¸.·´¯`·.¸¸.·´¯`·.¸ ><((((*>

WTB...92-96 lude jdm or usdm oem fog lights

actually, ap would be your best bet. its a simple mod, and that way when you decide to go with an exhaust, you have the ap already and dont need to worry about any problems you might face by installing an up pipe/ downpipe without being tuned. when i order my downpipe, im gonna get the ap along with it.

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Yes with an uppipe and the typhoon its makes a big diffrence, i have sinse installed a down pipe so my spool up time has increased even more, my turbo spools from almost an idle now. IMO first mods typhoon and uppipe, i have read alot about first mods and most will tell you uppipe and down pipe that will make the biggest difference, no sense in having an access port if you dont have the flow

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acutally you dont have to change your ...STI's dont have cat's on the uppipe..so its not retrictive....your better off with the ap.

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02 psm wrx.(blown motor) built motor in the process
89 crx HF..SOLD!!!
05 toyota tundra sr5 4DR 4.7L v8